Mowing practices for healthy lawns (2024)

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Mowing practices for healthy lawns (1)

Lawn mowing is more time consuming than any other lawn-care practice. Regular mowing with a sharp mower blade at the proper height will help keep grass growing vigorously and maintain adequate density. Proper mowing practices contribute to a healthy lawn and minimal weeds, and, if you leave grass clippings on your lawn, contribute to lawn nutrition. Typically, the species of grasses used in Minnesota lawns are Kentucky bluegrass, perennial ryegrass, and fescues.

Height

  • For a typical residential Midwest lawn, maintain a height of 3 inches or higher.
    • Taller grass shades out weed seeds and keeps soil cooler.
    • Taller grass means longer roots and greater ability to withstand drought and reach nutrients.
  • Remove no more than 1/3 of the leaf tissue when you mow.

    • Mowing too short or scalping results in stress to the grass plant. Weak grass plants will take longer to recover. To maintain a 3-inch lawn, mow before the grass reaches 4.5 inches tall.

    • Mowing too short can allow weed seeds to get more sun and increase the chance of germination.

Leave your clippings on the lawn

Mowing practices for healthy lawns (2)

Mower blades

Make sure your mower blades are sharp.

  • Dull blades leave jagged edges and plants are more susceptible to diseases.
  • Cleanly-cut grass blades are able to conserve water, reducing the need for irrigation.

What time of the year should I stop mowing?

Continue mowing until the grass stops growing in the fall, generally around the end of October.

  • Maintaining grass height before winter can minimize diseases that occur when grass is too long over the winter.
  • Longer grass during winter may encourage vole activity.

Mowing practices for healthy lawns (3)

Keep your lawn healthy and actively growing

  • Increase the mowing height by an inch during mid-summer to improve the lawn's ability to tolerate stress caused by heat and drying winds.

  • Change the direction of mowing frequently to promote upright shoot growth.

    • If possible, mow at right angles every other time.

    • Alternating mowing patterns will prevent continuous scalping and soil compaction.

  • Consider installing the bagging attachment or raking up excessive debris following the first mow of the year and last mow of the season.

Sam Bauer, Extension educatorand Jonah Reyes

Reviewed in 2018

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Mowing practices for healthy lawns (2024)

FAQs

Mowing practices for healthy lawns? ›

Keep your lawn healthy and actively growing

How to mow for a healthy lawn? ›

Stick to the 1/3 rule: Never remove more than 1/3 of the grass blade length when you mow. A healthy lawn can survive an occasional close cut. However, routine close mowing produces a brown lawn and has several harmful side effects including: Injury to the crown, where new growth generates and nutrients are stored.

How often should a healthy lawn be mowed? ›

Frequency of Mowing

The rate of grass growth and desired height of your lawn determine how often you need to mow. Typically, mowing once a week during the growing season should suffice to keep your lawn healthy. The rest of the time, you can reduce the frequency of cutting to every other week, as necessary.

How do I make my grass super healthy? ›

  1. Test Your Soil. Roots depend on healthy, nutritious soil to grow green and lush grass. ...
  2. Fertilize Your Lawn. A big part of knowing how to make your lawn greener is choosing the right fertilizer. ...
  3. Kill Weeds and Unwanted Insects. ...
  4. Use Grass Seed. ...
  5. Water Your Lawn. ...
  6. Aerate Your Lawn. ...
  7. Replace Lawn Mower Blades.

What is the most efficient mowing pattern? ›

1. The most efficient way to mow is the spiral: start from the outside and do the border, spiraling in to the middle. 2. Next, you have the long stripes: mow the long edge-the length of the rectangle-and then u-turn, and go back forth, striping the turf till you're done.

Should you edge your lawn every time you mow? ›

Every time you mow your lawn, you should assess the integrity of your lawn's edges. If you notice the lawn growing over your edge lines, it's time to clean them up with some edging!

Why you shouldn't mow your lawn every week? ›

Even if you're performing weekly mowing, if you're cutting the grass too short, it could still turn yellow from stress. When you mow too short, you also invite weeds into your lawn. Opportunistic weeds are much more likely to invade weakened lawns, than dense and thriving ones.

Why only cut 1/3 of grass? ›

In other words, leaving more than a third of the leaf at any time the grass is mown during the growing season allows the roots to continue to grow. If the roots keep growing, the plant will remain healthy and perform better than under the stresses placed on it by harder mowing and slower root-growth.

Does frequent mowing thicken grass? ›

Generally, yes. Mowing frequently is the key to a healthy lawn because each cut encourages the grass to grow thicker, creating a luscious, dense lawn. You can also block out weeds and make your turf more resilient, which is essential for a long-term, strong lawn.

Why is it better to mow your lawn at night? ›

Mow in the Evening

Because it tends to be cooler at this time, the roots retain their moisture. The blades of grass also have an entire night to recover before being sapped by the sun again in the morning. Conversely, wet, dewy grass can clog your mower deck.

How to thicken your grass? ›

Aerate your lawn

Our first secret to getting a thicker lawn is a process called core aeration, which involves creating holes in the soil. Why? Poking holes into the soil will help water, air, and nutrients get down deep into the soil to improve root development, giving you a thicker, healthier lawn.

Is it better to mow in circles or straight lines? ›

Mowing in concentric circles reduces turns, making maneuvering more efficient. This pattern is particularly useful for lawns with irregular shapes and obstacles.

Is it better to mow fast or slow? ›

It's generally accepted that the best speed for effective mowing is in the 3-6 mph range. Going too fast can actually result in an uneven cut.

Should you mow fast or slow? ›

But the mowing testers at Consumer Reports say, not so fast. Mowing at a slower speed typically gets better results.

How many times a week should you mow your lawn? ›

Normally, weekly mowing is the rule, but some lawns need cutting more often. Other lawns will grow more slowly and might need cutting only once every ten days or two weeks. Generally, don't cut off more than one third of the grass blade. More than that may harm the grass.

Should you mow or edge first? ›

Some people find that by trimming the edges first you are able to mow over the cut grass from the edges, which will leave the lawn clean of debris when finished. But if you don't mind blowing these trimmings away afterwards, then it doesn't really matter. In some cases, we have seen people edge first.

Does cutting grass make it healthier? ›

Makes Your Yard Healthier Over Time

Over time and with consistent mowing, the weak grass shoots will get left behind, and your yard will get healthier enough to withstand poor weather, pests, and other conditions.

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